My newly acquired diesel tractor has no cold weather starting aids. No pre-heater, no block heater. With my other tractors I spray ether directly into the air intake, but on this one the intake is buried up under the cowl. I've been spraying through the grille, but it doesn't seem to be very effective. Has anyone done some kind of home grown mod to allow ether to be sprayed directly into the intake stream? The manifold and rubber hose from the air cleaner is somewhat accessible, is there some slick way to install some kind of port for spraying ether in?